JI1FGX/DU9 Amateur Radio Diary, Mindanao, Philippines, IOTA OC-130
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A diary of life in Mindanao.
26/06/16  Installing an AS5600 magnetic encoder on a KR-500.
26/06/05  Grandson Zion's CQ
26/06/04  Replacing the potentiometer on the KR-500 elevation rotator
26/06/03 Making a Repeater Controller Pert4
26/06/01   Weather Monitor software
26/05/31   Weather Monitor
26/05/21   JTDX Auto Run BUGFIX
26/05/17  Repair of satellite antenna system
26/05/13  Repair of Alinco DR130
26/05/07  Making a Repeater Controller Pert3
26/05/03  Indonesian satellite friend YC8RPK
26/04/26  DXCC200 achieved
26/04/23  Communication via ISS voice repeater
26/04/20  WSJT-X Auto Run Ver0.1.5
26/04/19  Got an Alinco DR-130
26/04/15  Clublog Charts
26/04/10  Regarding POC transceivers
26/04/08  Using KENWOOD AT-300 with YAESU radio
26/03/17  How to establish a radio club in the Philippines
26/03/10  KENWOOD AT-300 with YAESU radio
26/02/27  Philippine NTC Amateur Radio License Examination Question Bank
26/02/20  Package received from JK1SNS
26/02/18  Temporary License Renewal
26/02/14  Satellite Tracking Software SatTrack
26/02/05  Making a Repeater Controller Pert2
26/02/02  CQ on satellite IO-86
26/01/27  Shack & Repeater Controller
26/01/16  Making a Repeater Controller
26/01/16  Making aRotator Interface PCB
26/01/10  Satellite antenna installation
26/01/08 WSJT-X Remote Operation
26/01/07 JTDX Remote Operation
26/01/04  log_reciver_Ver2.6.6
26/01/04  Tailscale VPN software for JTDX_Remote

Online Multiple Choice Reviewers to
the Phil Amateur Radio Examination
by 4F3EW


A joint project by JI1FGX/DU9 and DV9JRD
Repeater Controller Construction Part 4 (2026/06/03)
The repeater controller circuit board I ordered from JLCPCB has been completed.
I assembled it last night and started testing it.

Regarding the repeater controller part 3...Please see here..
This is the box I bought from Shopee.
I tried installing the LCD screen, but it doesn't look very good.
This is the repeater analog circuit board that I first ordered from JLCPCB on February 2nd.
However, the item was delivered without a pattern.
It was a regrettable ordering mistake.
This is my second order to JLCPCB.
The left side is the repeater analog mixer board.
The right side is the CPU ATMEGA2560 board.
The ATMEGA256 is so large that it required two circuit boards.
This is my third order for circuit boards from JLCPCB.
I changed the CPU from ATMEGA2560 to ESP32-S3 and mounted the analog mixer and ESP32-S3 on a single circuit board.
It all fit on a 130mm x 100mm circuit board.
This is a double-sided circuit board.
 
However, the ESP32-S3 was 2.54mm narrower.
The mistake was that I found and downloaded the KiCAD footprint for the ESP32-S3 from the internet and used it as is.

For now, I'm testing by using jumper wires to run seven wires on one side in aerial wiring.
The ESP32-S3 is working smoothly, and both the CWID and Voice ID are normal.
We will conduct a few more tests.
 
June 1, 2026.   June 4, 2026.