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Project 'Humidity Sensor Project'
Once set it is setup - upload the code, then you can access real-time temperature and humidity data through any browser connected to the same network. This project is not only a fun weekend activity but also an excellent educational tool for anyone interested in electronics and environmental monitoring. We sell the kit HERE, or you can use your own parts... Parts: D1 Mini DHT11 Sensor Wires 3D Printed Enclosure (Optional) USB Power Supply USB Cable After you upload the code, open the...
Project 'Outlet Checker'
This project involves a system of D1 Mini microcontrollers configured for peer-to-peer communication using their built-in WiFi capabilities. The primary function of this system is to identify which circuit breakers control specific outlets. Each D1 Mini, serving as a transmitter, is programmed with a unique identifier and transmits a signal when powered. The system also includes a receiver equipped with a strip of WS2812b addressable LEDs, each corresponding to a transmitter (1-5). The...
Project 'Selectable LED Blinker'
This project demonstrates creating a hardware-based circuit that mimics a programming [for loop], specifically to blink an LED five times upon button press, using an SR Latch, a 555 Timer, and a 4017 Decade Counter. This approach showcases the integration of classic electronic components to perform a sequence of operations without software, highlighting the enduring relevance and application of these components in modern electronics When the button is pressed, it activates the SR Latch...
Project 'DIY Unit Converter'
The simplicity of a tactile gadget can be incredibly refreshing. I decided to merge the nostalgic allure of retro tech with the practicality of modern tools, creating a fidget toy that's not just fun but genuinely useful. This isn't your average desk toy; it's a retro, future dystopian-inspired gadget designed to make life just a bit easier, especially for those of us constantly converting measurements. 3D File attached Parts: 3D Printed housing (right now the back is open) D1...
Project 'DIY Potentiometer'
This is a DIY Potentiometer that requires no tools to assemble. Parts List: 3D Printed Knob 3D Printed Main Body 3D Printed Snap On Wire Holder A piece of printer paper Double sided tape A #2 pencil 3 Wires (Ideally something flexible like silicon) Download and print the 3D parts and assemble!... Download the 3D files (STL) attached. See the video here: With a #2 pencil scribble a stripe 10mm or wider the across the width of a sheet of paper. Make sure it's on a smooth surface. Go...
Project 'Thermistor Digital Thermometer'
A thermistor is a special type of resistor whose resistance changes significantly with the temperature. Typical Operating Temperature Range: -67 to 490F (-55C - 250C) Here we have two regular 10K resistors in series, configured as a voltage divider. This is a way to use resistors to set a specific voltage. If we start with 5V and measure in between the two 10K resistors we get 2.5V, half of the source voltage. If we connect this junction to a microcontroller’s analog input we can...
Project 'The Flip-Flop Transistor Circuit'
A flip-flop is a kind of circuit that changes back and forth between two states (on and off) at certain intervals. It flips into one state, then flops to another, and so on. With these two states, a flip-flop serves as the most basic binary storage: 0 and 1, "off" and "on." As you can imagine, this makes the flip-flop an important circuit to understand! This circuit is pretty simple. All you'll need is: 4 x 1K Resistors 2 x 100K Trim Potentiometers (A.K.A., Trim Pots) 2 x 10uF 25v...
Project 'Choosing an LED Resistor'
Working with LEDs is both fundamental and intriguing. However, the key to using LEDs effectively lies in understanding how to select the right resistor. This not only ensures you don’t murder your LEDs but also prolongs their life. LEDs are characterized by two critical parameters: forward voltage and current. The forward voltage, typically ranges from 2V to 3.2V depending on the color and size of your LED. This is the voltage required to light up the LED. The current, often around 20mA...
Project 'USB-C PD Power Trigger Module'
USB-C has emerged as considerable improvement from existing USB devices, particularly in the realm of power delivery and device charging. I recently released a video that shows the voltage selecting capabilities of the USB-C Power Trigger Module. USB-C chargers are capable of delivering various voltage outputs - from the standard 5V up to a robust 20V in higher power models. I heard some can go higher, but I don't have experience with those device. This adaptability makes USB-C an ideal...
Project 'DeWalt Bit Holder'
The Bit Holder x 2 (DeWalt) .STL The Bit Holder x 4 (DeWalt) .STL If you're like me, constantly switching between different screw bits in your DeWalt drill, you've probably encountered the challenge of keeping them organized. DeWalt includes a metal belt hanger in their drill packages, but it can be more of a hindrance than a help. However, there's a solution - crafting a custom bit holder that's not only practical but visually blends with the drill. Design Objectives...
Project 'Arduino Auto-Shutoff with 3 Buttons'
I've built a general-purpose power control circuit using a D1 Mini, an optoisolator, and a transistor for the main power management components. It's a simple yet effective design that's perfect for projects where minimal hardware is valued and Auto-OFF will help save battery life. Its cost-effective, simple and has ZERO current draw when turned off. I've specifically chosen components that are both inexpensive and readily available, making this design more accessible. Almost every existing...
Project 'The QB Box Project'
Experience the perfect blend of challenge and simplicity with the QB Box, a modern take on the iconic 1978 handheld "video game." This DIY light-based game captivates your mind while keeping you engaged without overwhelming complexity. Ideal for gamers and enthusiasts who appreciate a touch of nostalgia with a contemporary twist. You can built it on your own, buy a kit and build it, or buy the completed version. Purchase The QB Box Kit HERE. Purchase The QB Box Built Version HERE...
Project 'Fixing the Switch Pro Controller D-Pad'
Have you ever been engrossed in a game of Tetris on your Nintendo Switch, only to experience a miss-drop or some other bizarre move you know you didn't intend? That's likely due to the less-than-stellar D-Pad on the Switch Pro Controller. But don’t worry, we’re going to help you improve it. Why Does the D-Pad Misbehave? The root of the problem lies in the controller's design. The contacts on the board are overly sensitive, leading to accidental inputs. When you toggle quickly between left...
Project 'Fun with Transistors!'
Transistors are the backbone of modern electronics. In a circuit, they function as either amplifiers or switches. It’s hard to imagine that simple knowledge could help you build a functional gadget, but today the HackMakeMod team is helping you start down that path. We’ll help you understand how an NPN transistor functions as a switch and show you how it can create a light-sensitive or temperature-sensitive warning device. It is easy to be overwhelmed and discouraged by advanced aspirational...
Project 'Learn To Solder'
Soldering is an essential skill for hobby electronics, DIY projects, and anyone who wants to be able to repair their own electronics. The good news is, soldering is not that hard! You’ll just need the right tools and some practice. Mastering the basics will have you soldering faster and accurately in no time at all. It just takes a little practice! In this tutorial, you’re going to learn everything you need to know about soldering, including the tools required, the step-by-step procedure...
Project 'DiY Kit Guide: Building Your Own Subscription Counting Clock'
The HackMakeMod Subscription Counting Clock is the perfect project to get started in the maker hobby! Even if you don't care to keep track of social stats, it's a great looking clock that always has perfect time! This project touches on key disciplines worth learning for future projects that include Electronics, Programming and 3D Printing. Click here for the DIY kit on our store. Supplies and Tools: Included in our DIY Kit: 2 x MAX7219 LED Dot Matrix Modules 32x8 (ea) 2 x...
Project 'LiPo / USB-C charger / IPS screen Gameboy Color Upgrade'
I love the Gameboy color. The form-factor is amazing and the nostalgia is intense. However the original screen leaves a lot to be desired. Colors aren't great and the lack of a backlight makes it impossible to play in a dark room. I also dislike running the Gameboy on AA batteries. I want a rechargeable battery and a USB-C charger. So lets switch the screen, add a LiPo battery and a USB-C charger. To be able to monitor the charging status and get a low voltage warning I decided to add an...
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