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OpenTTP version 2: Power supply
Excellent work by PCBWay as always. For this board I had to over design it significantly because of component shortages. A much more compact design is possible (using probably less than half the boar...
OpenTTP version 2 - Pi4B daughter board
Thanks, excellent work as always
LTE Lite evaluation board
For evaluation of the Jackson Labs LTE Lite module, mounted on a header (for easy re-use). Buffers signals, allow selection of output (GPS / CPU) to USB, has support for external antenna. I also desig...
OpenTTPv2 Pi4B daughter board
Pi 4B daughter board for OpenTTP version 2 (see www.openttp.org). Accepts signals from Signals board.
Pi Pico SPI display with serial and sensor connections
Excellent service, as always.
Environmental sensor board
Excellent service, as always.
Multifunction adapter board for Raspberry Pi 4B
The board has provision for 3 pulse inputs (into 50 Ohm, any level from about 1 V to 5 V will work) and two buffered (50 Ohm, ~ 1.5 V) pulse outputs. It also has provision for a character LCD display ...
OpenTTP version 2: Signals board
Excellent work as always. Thanks.
Environmental system display
Takes an ILI9488 SPI 3.5 inch TFT display (320x480) and a Raspberry Pi Pico to make a nice standalone display solution with plenty of options - your software decides what happens. I wrote a write-only...
OpenTTPv2 power supply board
Takes 12 V input and provides 5.1V for Pi 4B and 5V for signals, display and USB hub.
OpenTTPv2 Signals board
Signals board for OpenTTP version 2 (see www.openttp.org). Houses GPSDO (LTE Lite) and GPS Rx (ublox RCB-F9T) and generates / buffers signals to and from IO and Raspberry Pi 4B.
RJ12 to MOLEX adapter
Excellent service as always.
Pi Pico based environment sensor with Rotronic HC2A and BMP390
My attempt to make a metrology grade environment sensor. I found that cheap humidity sensors are not worth using as they drift too much when exposed to condensing atmospheres, so I am using an expensi...
Environmental sensor
As always (I've been using PCBWay for many years) the service was excellent.
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