P & P TechnologiesVer 3.97

Some people might recognise this as me a few (??) years ago
1.
Automatic tester for development purposes of a full sequence gas control, interface is on a PC app.
2.
Large PCB for a gas controller, for development of fuel cell technology. Mid. England University.
3.
Below probe PCB used in a test fixture. This holds 15 daughter boards feeding the probes to program 30 Microchip PICs in one go.
4.
Previous board populated with 15 daughter boards to program 30 product PCBs, N.B. the by-hand assembled surface-mount components.
5.
TV type screen display of a measurement for production testing of mechanical switches.
6.
PSU as seen in the previous photo.
7.
PCB with 30 mains inputs to drive a display unit to show which event caused a lockout in a large greenhouse heating system.
8.
Part of previous PCB showing the switch mode PSU. The IC is a Power Integrations TNY254.
9.
Mains interruption tester for pre-compliance testing of products.
10.
This is what can be done when you have to! 2.5x2mm LLP VCNL3682S device.
11.
Bed-of-nails fixture for connecting ESP12-F module to Arduino tester.
12.
Prototype of hand held setting tool for a measuring system.
13.
Inside of previous remote. RF module is Hope RFM70 for WiFi.
14.
Hand assembled prototype with PIC24FJ128GB204.
15.
To be added.