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I bought a 300mW 808nm diode long tima ago and im revisiting it. My question is: Its a 300mW output and its op. voltage is 2.2. So does that mean it uses 136mA input? I also bought some aixiz drivers because they were cheap and i didnt want to make anymore L317T drivers. I will be using these...

I built my L317t driver and i am currently waiting on my diode which is a 125mA input with 250mA output at 3v (using circut with 2x 14500's). That being said if i wanted to output 125mA at 3v it would be 3.0v/0.125A=24ohms resistance in my circut (5ohm resitors+ 100ohm pot)? im wondering if this...

I just got these 100 ohm trimmers today to start building more DIY LM317T drives but i'm a little confused on how to make them work as desired :thinking: could someone please help, thanks? where does the input to the trimmer go and which ones connect to eachother? heres a basic under sketch

I'm sorry i know it somewhere on this forum but i can't seem to find it even with the search bar :thinking: So, could someone provide me the L1117 driver schematic or lead me to the proper thread? Thank you:angel:

I know that TTL stands for Transistor-transistor logic (maybe) but alot of drivers have a TTL input on them. What does a TTL actually do? To my perspective it seems the the TTL input controls the laser to go on and off when power is input like to say if you were to hook up an MP3 player or...

This is my first built heatsink for my 1.2w laser. Its a aluminium alloy thermal pasted on a copper heatsink alloy. After i already burned out 1 laser i'm assuming this should do the job. If not any concerns or further recommendations? :thanks:

Ok i know i failed on my last project but i've put it aside and i am starting a new!:whistle: So i'm going to need some help. I'm going to buy a 150mW 650nm laser diode, and a 80-500mA driver with 2 14500 3.7V 1200mAh AA battery. I also obtained myself a pair of goggles and im buying 2 tubes...

Hey, My name is _______.:crackup: Recently, I've gotten quite interested in lasers and currently i failed at making a 808nm 200mW Complete DIY laser. (But i'm fixing it). And my new project instead is a 650nm 150mW red laser complete DIY. Not to brag, My soldering skills are quite good. I'm good...

I pulled a Li-po battery out of a wii fit balance board with Trapazoid USB plugin for charging and the battery itself is a 3.7V 1100mAh. It seems like a potential future project find. But, Is it useable?

Hey i'm new here and new to laser projects. But i'm having issues with my first laser project. It's a 300mW 808nm laser running off a 9v battery of this schematic. The problem is that the light is barley visable or bright even at the rheostats full capacity. I've gotten the voltage at 7.5v. I'm...