Search results

Hello everyone :) I've recently acquired one of the TM1637-based Grove / Catalex 4 digit 7 segment display modules from ebay. The ebay listing said it was I2C, but it does not appear to be at all like any other I2C module! With the aid of a post by GM39 in the French forum (here...

Hi everyone :) I've been working on a mini project to drive the 20x4 OLED display from i2c. I thought about buying a board from China but where's the fun in that? Using the firmware from the AXE134Y, and hacking it to run on a 20x2, I was able to reproduce the same instruction set as on the...

Hi all :) I've come across an anomaly with my project. I'm using an eeprom (24LC16B) and was having difficulty reading from it. For my test, I was writing a string of characters, and then sertxd-ing it to the terminal. #picaxe 08m2 #no_data pause 1000 'setup eeprom hi2csetup i2cmaster...

Hello :cool: I am trying to design a circuit to control a 240v DC motor, and also keep the high voltage separate from the input PWM (in case of magic smoke). Since I'm fairly new to circuit design, I am unsure of a few things: Is it ok to have a common ground between the low and high voltage...

Hello again! I've got a mini project on the go, where I am trying to use a 20X2 to drive some 7 segment displays from i2c input, but I am getting "ghost digits". For simplicity of the code on the 20X2 during testing, the bytes received contain the data for the 7 segment abcdefg LEDs and not...

Hi all, I got my shiny new URF and ERF pair today and have had some intermittent success, but now I cannot get them to talk. :( The first few tries resulted in random transmission failures when programming an 08M2+, but some of the time it worked. Now I just can't get it to work. I tried lots...

Hello, another newbie question! I have a small circuit which uses an AXE033B LCD in i2c mode to display characters received from my computer's serial port. I use the following circuit, with the I/O pins connected to the i2c of the LCD: (from http://www.maxmcarter.com/picaxe/picaxe_comm.html)...

Hello! :) I see the "AXE033Y Serial OLED Module (optional clock upgrade)" can use i2c, but is there any driver module that will control the 20x4 display "AXE134Y" via i2c? Thank you

I am attempting to get two M2's to communicate via serout and serin. But I am having trouble finding a neat solution for having the receiver process inputs of varying lengths. I am using a 16x2 LCD for outputting the data. LCD code is taken from the interfacing circuits document and works fine...