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Measurements

Clock Skew Synchronization

Short Term (Startup) Clock Skew Synchronization

Result Setup Description
soft1, cap1, osc2, net1, mcu1, func[1-4]-1, proAn[1-4]-1 fifo 4, mean, caps, 20s
soft1, cap1, osc1, net1, mcu1, func[1-4]-1, proAn[1-4]-1 fifo 4, mean, caps, 5s
soft1, cap0, osc2, net1, mcu1, func[1-4]-1, proAn[1-4]-1 fifo 4, mean, 20s
soft1, cap0, osc1, net1, mcu1, func[1-4]-1, proAn[1-4]-1 fifo 4, mean, 5s
soft1, cap1, osc2, net2, mcu1, func[1-4]-1, proAn[1-4]-1 fifo 4, mean, caps, 20s
soft13, cap1, osc2, net1, mcu1, func[1-4]-1, proAn[1-4]-1 fifo 4, mean, pitch 22, caps, 20s
soft2, cap0, osc2, net1, mcu1, func[1-4]-1, proAn[1-4]-1 progressive mean, caps, 20s
soft2, cap0, osc1, net1, mcu1, func[1-4]-1, proAn[1-4]-1 progressive mean, caps, 5s
soft2, cap0, osc2, net1, mcu1, func[1-4]-1, proAn[1-4]-1 progressive mean, 20s
soft2, cap0, osc1, net1, mcu1, func[1-4]-1, proAn[1-4]-1 progressive mean, 5s
soft3, cap1, osc2, net1, mcu1, func[1-4]-1, proAn[1-4]-1 raw observation, caps, 20s
soft3, cap0, osc2, net1, mcu1, func[1-4]-1, proAn[1-4]-1 raw observation, 20s
soft3, soft4 (particle 4), cap0, osc3, net1, mcu1, func[1-4]-1, proAn[1-4]-1 particle 4 having linear regression, raw observation otherwise, 46s
soft4 cap0, osc4, net1, mcu1, func[1-4]-1, proAn[1-4]-1 linear regression, overshooting, 98s, probe An. 3 and An. 4 mistakenly swapped
soft18 cap0, osc15, net1, mcu1, func[1-4]-1, proAn[1-4]-1 linear regression, overshooting, 50s, pre-filled fifo
soft17 cap0, osc15, net1, mcu1, func[1-4]-1, proAn[1-4]-1 linear regression, overshooting, 50s, empty fifo
soft17 cap0, osc16, net1, mcu1, func[1-4]-1, proAn[1-4]-1 linear regression, overshooting, 89s, empty fifo
soft19 at address (2-4,1) otherwise soft16, cap0, osc16, net1, mcu1, func[1-4]-1, proAn[1-4]-1 linear regression, overshooting, 89s, pre-filled fifo, fifo 40, outlier: 5*sigma
soft19 at address (2-4,1) otherwise soft16, cap0, osc16, net1, mcu1, func[1-4]-1, proAn[1-4]-1 linear regression, overshooting, 89s, pre-filled fifo, fifo 40, outlier: 10*sigma
soft5 cap0, osc2, net1, mcu1, func[1-4]-1, proAn[1-4]-1 fifo 4, mean without outlier 2sigma, 20s
Video Setup Description
sync-method-mean-fifo40-pitch16 soft10, mean, fifo 40, pitch 16
sync-method-mean-fifo8-pitch16 soft10, mean, fifo 8, pitch 16
sync-method-mean-without-outlier-2sigma-fifo15-pitch16 soft10, mean without outlier, 2*σ , fifo 15, pitch 16 outlier: values beyond µ+/-f*σ are not considered when averaging
sync-method-mean-without-outlier-2sigma-fifo40-pitch-20 soft10, mean without outlier, 2*σ, fifo 40, pitch 20 outlier: values beyond µ+/-f*σ are not considered when averaging
sync-method-mean-without-outlier-2sigma-fifo40-pitch16 soft10, mean without outlier, 2*σ, fifo 40, pitch 16 outlier: values beyond µ+/-f*σ are not considered when averaging
sync-method-mean-without-marked-outlier-2sigma-fifo40-pitch0 soft10, mean without marked outlier, 2 sigma, fifo 40, pitch 0 marked outlier: marked when value enters the FiFo according to the current values in FiFo
sync-method-progressive-mean-pitch16 soft10, progressive mean 50%/50%, pitch 16 new = (old + new) / 2
sync-method-raw-observation-no-smoothing-pitch12 soft10, no smoothing, pitch 12 observed value is new value without any averaging
sync-method-linear-regression-least-square-fifo40-pitch0 soft10, linear regression, fifo 40, pitch 0 overshooting, outliers get too much weight
time-sync-sync-method-mean-fifo4-in-phase-shifting-pitch16 soft10, mean, fifo 4, pitch 16, in phase shifting local time ISR in phase shifting: 1st impl. approach

Long Term Clock Skew Synchronization

Result Setup Description
soft1, cap1, osc5, net1, mcu1, func[1-4]-1, proAn[1-4]-1 fifo 4, pitch 12, mean, caps, 2s
soft1, cap0, osc5, net1, mcu1, func[1-4]-1, proAn[1-4]-1 fifo 4, pitch 12, mean, 2s
soft5, cap0, osc5, net1, mcu1, func[1-4]-1, proAn[1-4]-1 fifo 4, pitch 12, mean, outlier 2sigma, 2s
soft6, cap1, osc5, net1, mcu1, func[1-4]-1, proAn[1-4]-1 fifo 4, pitch 16, mean, caps, 2s
soft7, cap1, osc5, net1, mcu1, func[1-4]-1, proAn[1-4]-1 fifo 4, pitch 20, mean, caps, 2s
soft13, cap1, osc7, net1, mcu1, func[1-4]-1, proAn[1-4]-1 fifo 4, pitch 22, mean, caps, 2s
soft8, cap1, osc5, net1, mcu1, func[1-4]-1, proAn[1-4]-1 fifo 4, pitch 24, mean, caps, 2s
soft9, cap1, osc5, net1, mcu1, func[1-4]-1, proAn[1-4]-1 fifo 4, pitch 28, mean, caps, 2s
soft15 node (1,1) - soft16 otherwise, cap1, osc19, net1, mcu1, func[1-4]-1, proAn[1-4]-1 fifo 4, mean, oscillating OSCCAL, caps, 50s

Jitter Measurements

Result Setup Description
proAn1-2, soft11, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (2,1), pitch 0
proAn1-3, soft11, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (3,1), pitch 0
proAn1-4, soft11, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (4,1), pitch 0
proAn1-5, soft11, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (5,1), pitch 0
proAn1-6, soft11, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (6,1), pitch 0
proAn1-7, soft11, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (7,1), pitch 0
proAn1-8, soft11, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (8,1), pitch 0
proAn1-9, soft11, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (9,1), pitch 0
proAn1-10, soft11, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (10,1), pitch 0
proAn1-11, soft11, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (11,1), pitch 0
proAn1-12, soft11, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (12,1), pitch 0
proAn1-12, soft11, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (13,1), , pitch 0, long term
proAn1-2, soft12, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (1,1), pitch 18
proAn1-3, soft12, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (2,1), pitch 18
proAn1-4, soft12, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (3,1), pitch 18
proAn1-5, soft12, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (4,1), pitch 18
proAn1-6, soft12, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (5,1), pitch 18
proAn1-7, soft12, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (6,1), pitch 18
proAn1-8, soft12, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (7,1), pitch 18
proAn1-9, soft12, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (8,1), pitch 18
proAn1-10, soft12, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (9,1), pitch 18
proAn1-11, soft12, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (10,1), pitch 18
proAn1-12, soft12, cap1, osc6, net1, mcu1, hist1 last time PDU falling edge jitter histogram, node (11,1), pitch 18
proAn1-13, soft12, cap0, osc8, net0, mcu1, hist1 RC clock jitter after 40µ, (1x1) network
proAn1-13, soft12, cap1, osc8, net0, mcu1, hist1 RC clock jitter after 40µs, (1x1) network, caps
proAn1-13, soft12, cap1, osc8, net1, mcu1, hist1 RC clock jitter after 40µs, (1x12) network, caps
proAn1-13, soft17, cap0, osc17, net0, mcu1, hist1 RC clock jitter after 40µs, (1x1) network
  • Expected discretization step of particle (12,1): +/- 63.5 * (1/8284000) = +/- 7.665µs
  • A pitch of 20-22 seems reasonable:
    • according package length distribution - 20
    • according trend 22
    • 16 too low, 28 too high

In-Phase Shifting

Result Setup Description
soft14, caps1, osc9, proAn[1-4]-14, proDig[4-15-1], net1, mcu1 TODO

Actuation

Result Setup Description
soft14, caps1, osc11, proAn4-2, net1, mcu2 simulataneous heat range command of both wires, Vcc at last particle, particles (7-12,1) crashed due to glitch
soft16, caps1, osc12, proDig[4-14]-2, proAn[1-4]-15, net1, mcu2 experiment 1: simulataneous heat range command (left wire), switch from Vcc to GND at transmitter's actuator line
soft16, caps1, osc12, proDig[4-14]-2, proAn[1-4]-15, net1, mcu2 experiment 1: simulataneous heat range command (left wire), switch from Vcc to GND at transmitter's actuator line
soft16, caps1, osc12, proDig[4-14]-2, proAn[1-4]-15, net1, mcu2 experiment 1: simulataneous heat range command (left wire), switch from Vcc to GND at transmitter's actuator line
soft16, caps1, osc12, proDig[4-14]-2, proAn[1-4]-15, net1, mcu2 experiment 1: simulataneous heat range command (left wire), switch from Vcc to GND at transmitter's actuator line
soft16, caps1, osc12, proDig[4-14]-2, proAn[1-4]-15, net1, mcu2 experiment 1: simulataneous heat range command (left wire), switch from Vcc to GND at transmitter's actuator line
soft16, caps1, osc12, proDig[4-14]-2, proAn[1-4]-15, net1, mcu2 experiment 1: simulataneous heat range command (left wire), switch from Vcc to GND at transmitter's actuator line
soft16, caps1, osc13, proDig[4-14]-2, proAn[1-4]-15, net1, mcu2 experiment 1: simulataneous heat range command (left wire), switch from Vcc to GND at transmitter's actuator line
soft16, caps1, osc13, proDig[4-14]-2, proAn[1-4]-15, net1, mcu2 experiment 1: simulataneous heat range command (left wire), switch from Vcc to GND at transmitter's actuator line

Boot Delay Measurement

Result Setup Description
soft16, caps0, osc14, proAn[1,2]-16, proDig[1-8]-16, net1, mcu2 showing Vcc drop vs. boot delay

Discretization Measurements

Result Setup Description
soft16, caps0, osc18, proAn[1-4]-17, net1, mcu2 showing discretization as trend, long term measurement with less sync pkg. to omit outlier in measurement

Setup Configurations

Particle Speed (internal RC osc.)

Particle ID Approx. Frequency [MHz]
1 8.178
2 8.180
3 8.191
4 8.211
5 8.241
6 8.254
7 8.279
8 8.284
9 8.386
10 8.303
11 8.355
12 8.382
  • Measurements taken with particles having room temperature.
  • Measured after powered 30sec.
  • Averaged 5sec (~7000 samples).
  • Measurements could be reproduced in a 2nd run.
  • Frequency is voltage dependent; values are understood to be "relative".
  • Vcc approx. 5v, see power supply of setup mcu1.

Order Setup in Measurements

Setup ID Network Dimension Order P.ID Address Details
net0 (1x1) {6} {(1,1)} 1st node only
net1 (12x1) {6, 3, 9, 1, 7, 4, 11, 2, 10, 5, 12, 8} {(1,1), (2,1), (3,1), (4,1), (5,1), (6,1), (7,1), (8,1), (9,1), (10,1), (11,1), (12,1)} order having good discrepancy in between subsequent particles' frequency
net2 (12x1) {6, 2, 10, 1, 8, 4, 12, 3, 9, 7, 11, 5} {(1,1), (2,1), (3,1), (4,1), (5,1), (6,1), (7,1), (8,1), (9,1), (10,1), (11,1), (12,1)} same as 1 but less discrepancy

Oscilloscope Measurement Notes

Setup ID Capture Duration [Sa/s] Trigger Pre-Trigger [s] Time/Div.
osc1 2.5s - 7.5s 5M An. 1, 3.8v, rising local time ISR 5 500ms
osc2 0.7s - 20.7s 5M An. 1, 3.8v, rising local time ISR 10.7 2s
osc3 1s - 46s 2M An. 1, 3.8v, rising local time ISR 21 5s
osc4 - 98s 1M An. 1, 3.8v, rising local time ISR 48 10s
osc5 0s - 2s 5M An. 1, 3.8v, rising local time ISR 0 100ms
osc6 7.8ms - 7.9ms 10G An. 1, 2.5v, 1st falling edge of transmission ~7.87ms 10µs
osc7 -1s - 1s 5M An. 1, 3.8v, rising local time ISR 0 200ms
osc8 39.0µs - 40.1µs 20G An. 1, 2.5v, falling 40µ 20ns
osc9 -50ms - 20ms 5M Digital 4, TTL, falling 0 10ms
osc10 -25s - 25s 2M An. 1, 3.8v, rising local time ISR 0 5s
osc11 -1s - 1s 2M roll mode, - 200ms
osc12 -100ms - 100ms 5M An. 1, 2.549v, falling 0 20ms
osc13 -10ms - 10ms 5M An. 1, 2.549v, falling 0 2ms
osc14 -10ms - 40ms 20M An. 1, 2.0V, rising 15m 5ms
osc15 - 49.7s 1M An. 1, 3.8v, rising local time ISR 722.8m 5s
osc16 - 98s 1M An. 1, 3.8v, rising local time ISR 0 10s
osc17 40.16µs - 40.26µs 20G An. 1, 2.5v, falling 40.165µ 10ns
osc18 -1s - 1s 5M An. 1, 3.8v, falling 0 200ms
  • Oscilloscope: Keysight MSO-S 354A Mixed Signal Oscilloscope 2.5GHz 20GSa/s 10-bit ADC infiniium S-Series
Setup ID File Name Probe Setup Notes
file1 all-12-ttclocks-plus-div16.set proDig[1-12] time tracking particle (1-12,1), proDig[13-15] pre-scaled (16) time tracking particle (1-4,1), net1 all 12 local time tracking interval plus 4 times with prescaler 16 at particles (1-4,1)
file3 fx-trend-20s.set proAn[1-4] time tracking particle ({1,4,7,12},1), net1 local time tradking clock frequency trend, highlighting sync. at start, 20 sec., triggers an power on, single shot
file4 fx-trend-46s.set proAn[1-4] time tracking particle ({1,4,7,12},1), net1 local time tradking clock frequency trend, highlighting sync. at start, 46 sec., triggers an power on, single shot
file5 fx-trend-5s.set proAn[1-4] time tracking particle ({1,4,7,12},1), net1 local time tradking clock frequency trend, highlighting sync. at start, 5 sec., triggers an power on, single shot
file6 fx-trend-98s.set proAn[1-4] time tracking particle ({1,4,7,12},1), net1 local time tradking clock frequency trend, highlighting sync. at start, 98 sec, triggers an power on, single shot
file7 fx-trend_long-term-2s.set proAn[1-4] time tracking particle ({1,4,7,12},1), net1 local time tracking clock freuqency trend, highlighting long term sync., 2sec, triggers consecutive
file8 fx-trend.set proAn[1-4] time tracking particle ({1,4,7,12},1), net1
file9 jitter-clk-after-40us.set proAn[1-4] CLKOUT ({1,4,7,12},1), net1 histrogram showing the cummulated (~8MHz= RC's clock jitter at 40µs after trigger
file10 period-16x.set proAn[1-4] CLKOUT ({1,4,7,12},1), net1
file11 rx-last-falling-edge-histogram.set proAn1 rx north of particle ({3-12},1), net1 highlighting normal distribution of package duration and integer discretization among syncrhonizing particles
file12 fx-trend-oscillating-osccal-step1-minmaxoffset8-50s.set proAn[1-4] time tracking particle ({1,4,7,12},1), net long term sync. with oscillating MCU frequency of particle (1,1), highlichting automatic clock sekew adjustment
file13 actuation-range-all-left-net1-caps1-trigger-particle2-left-actuator-2msdiv.set proAn[1-4] left actuator line highlighting actuation start inaccuracy, 2ms div
file14 actuation-range-all-left-net1-caps1-trigger-particle2-left-actuator-20msdiv.set proAn[1-4] left actuator line highlighting actuation start inaccuracy, 20ms div
file15 boot-delay-until-discovery-3x3-network.set proAn[1,3]-16, proDig[1-8]-16 showing Vcc of 1st and last particle and discovrey start
file16 fx-trend-oscillating-osccal-step1-minmaxoffset8-50s.set proAn[1-4]-1 showing clock skew compensation when paticle (1,1) increments/decrements the OSCCAL value until OSCCAL +/- 8
file17 fx-trend-98s-least-squares-fitting.set proAn[1-4]-1 showing time tracking frequency trend of 98 seconds, setup used for least square fitting
Function Config ID Function Name Action Input Data Color
func1-1 f1 trend Analogue 1 beige
func2-1 f2 trend Analogue 2 green
func3-1 f3 trend Analogue 3 blue
func4-1 f4 trend Analogue 4 purple
hist1 - histogram max 1280 bins Analogue 1 cyan
Connection ID Probe Input Data Coupling
proAn1-1 Analogue 1 internal time tracking ISR: Particle 1 1MΩ, DC
proAn2-1 Analogue 2 internal time tracking ISR: Particle 4 1MΩ, DC
proAn3-1 Analogue 3 internal time tracking ISR: Particle 7 1MΩ, DC
proAn4-1 Analogue 4 internal time tracking ISR: Particle 12 1MΩ, DC
proAn1-2 Analogue 1 rx north, particle 2, address (2,1) 1MΩ, DC
proAn1-3 Analogue 1 rx north, particle 3, address (3,1) 1MΩ, DC
proAn1-4 Analogue 1 rx north, particle 4, address (4,1) 1MΩ, DC
proAn1-5 Analogue 1 rx north, particle 5, address (5,1) 1MΩ, DC
proAn1-6 Analogue 1 rx north, particle 6, address (6,1) 1MΩ, DC
proAn1-7 Analogue 1 rx north, particle 7, address (7,1) 1MΩ, DC
proAn1-8 Analogue 1 rx north, particle 8, address (8,1) 1MΩ, DC
proAn1-9 Analogue 1 rx north, particle 9, address (9,1) 1MΩ, DC
proAn1-10 Analogue 1 rx north, particle 10, address (10,1) 1MΩ, DC
proAn1-11 Analogue 1 rx north, particle 11, address (11,1) 1MΩ, DC
proAn1-12 Analogue 1 rx north, particle 12, address (12,1) 1MΩ, DC
proAn1-13 Analogue 1 CLK out, particle 1, address (1,1) 1MΩ, DC
proAn1-14 Analogue 1 internal time tracking ISR / 16: Particle 1 1MΩ, DC
proAn2-14 Analogue 2 internal time tracking ISR / 16: Particle 4 1MΩ, DC
proAn3-14 Analogue 3 internal time tracking ISR / 16: Particle 7 1MΩ, DC
proAn4-14 Analogue 4 internal time tracking ISR / 16: Particle 12 1MΩ, DC
proDig[4-15]-1 Digital [4-15] internal time tracking ISR / 16: Particle 1 TTL
proAn4-2 Analogue 4 Vcc at last particle, address (12,1) 1MΩ, DC
proDig[4-14]-2 Digital [4-14] transmitter before actuator, pulling Vcc to GND; dig. 4 at particle 1, ... dig. 14 at particle 11 1MΩ, DC
proAn[1-4]-15 Analgogue [1-4] transmitter before actuator, pulling Vcc to GND; dig. 4 at particle 1, ... dig. 14 at particle 11 1MΩ, DC
proAn[1,3]-16 Analogue [1,3] Vcc at (1,1) and (3,3) of a (3x3) network 1MΩ, DC
proDig[1-8]-16 Digital [1-8] RX at node ID [1-8] TTL
proAn[1-4]-17 Analogue[1-4] internal time tracking ISR of (1,1),(2,1),(3,1),(4,1) 1MΩ, DC

Capacitor Configurations

Setup ID Caps [µF] Configuration
cap0 - no additional caps
cap1 560 each 2nd particle

Software Configuration

Setup ID Averaging Method outlier rejection FiFo Size [Elements] Pitch Phase Shifting Other Configuration
soft1 mean - 4 12 - baud1, time1
soft2 progressive mean (75% of old value + 25 % new value) - - 12 - baud1, time1
soft3 raw observation - - 12 - baud1, time1
soft4 least square fitting - 40 12 - baud1, time1
soft5 mean without outlier 2*σ 4 12 - baud1, time1
soft6 mean - 4 16 - baud1, time1
soft7 mean - 4 20 - baud1, time1
soft8 mean - 4 24 - baud1, time1
soft9 mean - 4 28 - baud1, time1
soft10 - - - - - baud1, time1
soft11 mean - 4 0 - baud1, time1
soft12 mean - 4 18 - baud1, time1
soft13 mean - 4 22 - baud1, time1
soft14 mean - 4 22 yes (final impl.) baud1, time1
soft15 mean - 4 0 (fixed issue) - baud1, time1, oscillating OSCCAL+/-8, increment on each time PDU having "isNextSyncPackageTimeUpdateRequest" flag set
soft16 mean - 4 0 (fixed issue) - baud1, time1
soft17 least square fitting - 40 0 (fixed issue) - baud1, time1
soft18 least square fitting - 40 (pre filled queue) 0 (fixed issue) - baud1, time1
soft19 least square fitting 5*sigma 40 (pre filled queue) 0 (fixed issue) - baud1, time1
soft20 least square fitting 10*sigma 40 (pre filled queue) 0 (fixed issue) - baud1, time1
Setup ID Manchester Clock Delay [MCU Cycles] Overtime Limit Short Interval Overtime Limit Long Interval
baud1 1024 0.75 * 1024 1.25 * 1024
Setup ID Local Time Tracking Delay [MCU Cycles]
time1 51 * baud1.ManchesterClockDelay (see baud1)
  • Pitch: Manually added offset to the observed baud rate delay.

Mircocontroller Configuration

Configuration ID Details Fuses Power Supply
mcu1 internal RC 8MHz, clk out FUSES = { .low = (FUSE_SUT_CKSEL0 & FUSE_SUT_CKSEL2 & FUSE_SUT_CKSEL3 & FUSE_SUT_CKSEL4 & FUSE_CKOUT), .high = HFUSE_DEFAULT, .extended = EFUSE_DEFAULT,}; pwr1
mcu2 internal RC 8MHz, clk out FUSES = { .low = (FUSE_SUT_CKSEL0 & FUSE_SUT_CKSEL2 & FUSE_SUT_CKSEL3 & FUSE_SUT_CKSEL4 & FUSE_CKOUT), .high = HFUSE_DEFAULT, .extended = EFUSE_DEFAULT,}; pwr2

Power Supply

Configuratin ID Supply Details
pwr1 Anker USB, max. DC 5V/3A
pwr2 BK Precision(R) 1550 5.1V/3A