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µTracer 3+ lid drilling

printed sticker drill template on polycarbonate

3mm through holes, 3.5x2mm sunk holes and 10mm through holes for Lorlin CK1029, 18.3mm through hole for 9 pin vacuum tube socket, 25mm through hole for 8 pin vacuum tube socket with 35x2mm sunk hole.

follow the whole build here: µTracer 3+ build

µTracer 3+ build 8

Part 8. grid bias circuit construction

Part 8. grid bias circuit testing and calibration

measuring -12.64 Volt regardless of Calibration slider after making one mistake
I put D21 (HER108) in the spot of D12
during step C9 I found out (because I had 2 more items left instead of 1)

I unsoldered HER108 and put in D21 and then put the correct 1N5934 in D12

follow the whole build here: µTracer 3+ build

µTracer 3+ build 6 & 7

Part 6. heater supply testing with Hakko FX-888D and 5 DIOPTRE VTLLAMP10N

Part 6. heater supply construction
Part 6. heater supply testing
Part 7. negative power supply construction
Part 7. negative power supply testing

follow the whole build here: µTracer 3+ build

µTracer 3+ build 3

https://www.dos4ever.com/uTracer3/uTracer3_pag0.html

Part 1. the GUI installation
Part 1. the GUI testing
Part 2. RS232 connector cable construction
Part 2. RS232 connector cable testing
Part 3. voltage regulators construction
Part 3. voltage regulators testing

follow the whole build here: µTracer 3+ build
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