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A box with 18 excellent HM4.1 cases arrived today! Thanks for printing them Tom! 14 Complete heatermeters and 4 DIY kits almost ready for shipment.

I had the same with our Dutch component suppliers, they where more expensive and they could not supply all components. In the end it worked out that ordering in the US was cheaper and less hassle. To save om shipping you could also try to do a group buy like I did, if you order enough you will...

What is the reason for using a RJ45 connector instead of a RJ11 or a RJ12 connector?

Why not cut the plugs from the probes and solder new plugs on with the braid connected to the ground? Yes, this is more work but a lot tidier.

There is also and Android app called PitDroid

Looks like my next batch will be 4.2s !

I test all the probe inputs, the fan output, test the joystick, switch the LEDs on and off, test communication with the RPI, check the web interface, adjust the contrast of the display, etc. Sounds like a lot of work but most things only take a few seconds.

Again I am having difficulties getting enough ET73 probes from Maverick. At this point I am so frustrated by them that I'm looking for a different supplier for the 48 probes I need for the heatermeters that i'm building. One of the possible candidates is Thermoworks, the TX-1001X-OP probes are...

It annoys me that I have to unpack them all, would have preferred to buy them bulk in a ziplock bag. ;)

I've only build 30 so far.:cool: My son helped me to populate the boards, I solder and supervise. The fasted way is to do one type of components at the time, so first all 10K resitors on all the boards and so on. This also reduces the risk of making mistakes, all 14 boards in this batch tested...

I had the PCBs made in China, the price is about half of the price of OSH Park but you have to order them in multiples of 10. I like the quality although this time they forgot to print the values of the components, this might be my fault because I edited the eagle files to get rid of the red LED...

Just started another batch of Heatermeters. This time 14 completely build and 4 DIY kits. When the parts came in it looked like an early X-mas; After two afternoons of soldering; Tomorrow the boards should be all done.

Babybacks on the Primo http://pietrmeter.asuscomm.com:9090/ Huge overshoot due to pre-heated Primo.:(

I'm not sure how many there are left, next Monday I will know more. If there are any left I will send you a PM.

I used a Dremel and a very fine engraving bit to cut the four lines, real easy to do.

I should have enough, will send you a PM later today.

I have a batch of 20 PCBs on its way from China to The Netherlands, the boards should arrive first week of May. I don't need all 20 so I could send a couple of PCBs to the UK. Boards are €8 and the shipping will be arroud €2.

This is what I found in the Eagle file;

Just enter a negative setpoint. i.e. -10 for 10% fanspeed or -50 for 50%

Bryan, Are you planning to release a new revision of the PCB anytime soon? I'm about to order another batch of 20 4.1 PCB's but if you are going to release an improved version in the next few weeks I'll better wait. Anyway, keep up the good work!