The falling edge of a single bit on a couple of cm long 115200 kbps UART connection between a 4D Systems OLED and a bluetooth module.Python script to save screenshot
Observing the travel of light
The falling edge of a single bit on a couple of cm long 115200 kbps UART connection between a 4D Systems OLED and a bluetooth module.
two more cables in between → longer signal propagation time: 3×108 ms-1 (4.2×10−9 s − 1×10−9 s) ~ 1 m
RIGOL RP2200 probe @ 10× with ground lead
Ground spring
Resistive Z0 probe @ 100× built from old 10Base2 T adaptor, terminator, 3 m RG-58 cable and 4.7 KΩ metal film resistor
@ 50×, 1.5 m RG-58 cable and 1 KΩ carbon composition resistor
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Bit-banging at maximum speed with a FT245R
SyncMaster 244T BLU
Chromoflex 3 LED controller
DLP Link
ELV S 2001 ID captured with shorted 1X probe
Zooming and averaging reveals the 433 MHz ISM carrier
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Strange looking 40 Hz square wave
Better at 400 Hz
Sonoff Micro soft start that can't be disabled
PAL video line of the Canon EOS 550D status screen
DHO804: Video trigger doesn't werk