A small programming adapter for ESP8266/ESP32 devices
Filament Spool Holder #2
This is the second filament spool holder I designed. It offers low friction and easy, fast adjustment for different spool sizes.
GPIB Interface for PM3365A Oscilloscope
The Philips PM3365A oscilloscope I inherited last year works fine – but it has one drawback: the only way to export data is via a GPIB interface. I had the opportunity to borrow a Prologix GPIB interface to test what can be done with this interface – it turns out remote control of the oscilloscope[…] Read More…
Medium-Speed Isolated Power Switch
The isolated power switch presented here was built to do repeated power-up/power-down tests on a power supply. I basically needed a MOSFET that could be controlled by a PC. To keep the circuit universal, the following design goals were added: Isolation of the switched circuit from the PC, so the switch can be used in[…] Read More…
Fixing the broken USB connector on a RSA306