My idea is to mount all the components on a 60x70mm prototyping board which can then be mounted on the casing to cover the hole due to the removing of the original controller. What need to be replaced is the controller. Most part of the UYue preheater can be re-used, such as the casing, the heating platform (which is the whole reason why buying it and hacking it), the thermocoupler and the Solid State Relay. I don't want to purchase a reflow controller, I want to use whatever parts I already had with minimum purchase, which means that I have to design my own circuit and write my own code for the solder reflow. He uses an off-the-shelf reflow controller for his modification. I get the inspiration from Digicool who published a 3-episode youtube videos of his teardown and modification. The controller has an on-board AC/DC converter and a 7805 5V regulator. The UYue 946-1010 preheater is a quite simple machine, it has a microcontroller board that consists of a Nuvoton's N76E0003AT20 chip which is an 8051-based 8-bit MCU, a FOTEK SSR-25DA Solid State Relay(SSR), a thermocouple and three 100-W heating elements. Your use of any information or materials on this Tiny Reflow Controller is entirely at your own risk, for which we shall not be liable. DisclaimerÄealing with high voltage is a very dangerous act! Please make sure you know what you are dealing with and have proper knowledge before hand. It costs another US$20 shipping cost for shipping from China to Singapore by air in about 10 days. There are several size of UYue preheaters that can be purchased from AliExpress, I bought the smaller version which has a heating platform of 100mm x 100mm for about US$25. UYue 946 preheater is a small preheater that is often marketed as a tool for separating the layers of mobile phone display during mobile phone repairing, or for replacing the faulty LED on SMD LED plates. This article talks about how I hack a UYue 946 preheater and convert it into a solder reflow hot-plate.
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