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Hi, I have build a small 'robot', based on two motors and a L293 Motor IC and two bumper switches at the front, left and right. It's a really simple program. When starting it will go forward until one bumper PIN get's down. Then it should go backward for 2 seconds, make a little turn and go...

Got today a new US-100 (similar to the SRF004) and it works great with the 8M2 and the 14M2 Don't know what the problem is with the China clone SRF004 and SRF005.

Hi Neil, I can't follow you. The pic's inside the editor and the manual says, that the C.1 on the 8M2 and the B.1 on the 14M2 are at the same location. I have also attached a pic from the PCB. The white numbers shows what is printed on the board and the black numbers how they have connected the...

I have attached now two pictures from the PCB. As already said, 8M2 is working (with c.1/c.2 in the code) 14M2 is not working (with b.1 / b.2 in the code) I have also tried a hc004. It's working with the 8M2, but not with the 14M2. I have also tried to put it direct on a breadboard without the...

I'm using the prototype board from the german Make magazine. They are selling a special Make for the Picaxe. But I have also tried to use it inside a 'normal' breadboard, without buffering anything. Still nothing. I have also made sure with a blink program that I'm in fact using the correct...

Hi all, I have here some 8M2 and 14M2. I tried to measure the distance on a 8M2 with a SRF005 and it works great with this code: symbol trig = C.1 ; Define pin for Trigger & Echo (All M2, X2 parts) symbol echo = C.2 symbol range = w1 ; 16 bit word variable for range...