81 Results for "TTL computer"

Connect Jumper Wires
Instructions from PiDP-11 I/O Expander
Connect jumper wires from the right-angle headers soldered in Step 2 on the PiDP-11 to the 5V/GND and I2C (J1) headers on the I/O Expander. The SERIAL CONSOLE (5V TTL SERIAL) header is the most convenient location to access 5V/GND, however...

Gather Parts
Instructions from Breadboarded 3-Axis Sine-Cosine Controller
Nearly any four op-amps will serve in the role of the 324. I used a quad-pack to save a bit of space on the breadboard. Use whatever is handy. Whether it is a 324 or the latest micropower rail-to-rail model, the circuit can be adapted to work with it....

Connect SMT100 soil moisture sensor to LoRa device
Instructions from Soil moisture sensor with LoRa
The next step is to connect the SMT100 RS-485 soil moisture sensor with the LoRa module as follows (left green socket for screwing, attention: look up exact assignment in the Dragino manual!): Brown wire +5 VWhite wire GNDGreen wire RS-485...

Final assembly
Instructions from Optogenetics TTL driver
Drill holes in the case for each component, keeping in mind that there is not much room in the case, so place the hole appropriately to allow room for soldered wires etc. around the Arduino pins. Push the components through and bolt in place using provided...

Final assembly
Instructions from 4-Channel Optogenetics Pulser
Drill holes in the case for each component, keeping in mind that there is not much room in the case, so place the hole appropriately to allow room for soldered wires etc. around the Arduino pins. You will also need to drill holes in the base aligned...

Adding the Sixfab 3G/4G Base Hat and Quectel Module
Instructions from Mesh Gateway
Read the getting started guide: https://docs.sixfab.com/docs/raspberry-pi-3g-4g-lte-base-hat-getting-started Use the QMI interface with Base Hat guide: https://docs.sixfab.com/docs/qmi-interface-with-base-hat Below are the commands you will need to run,...

Infinity Mirror Clock
Instructions from Infinity Mirror Clock
Electronics: A Standalone Arduino: http://dushyant.ahuja.ws/2013/10/standalone-arduin...OR Arduino mini pro: http://www.aliexpress.com/item/10Pcs-Lot-Pro-Mini-...RTC Module – DS1302: http://fabtolab.com/DS1302-RTC-module?search=rtcLM2596 Step Down Adjustable...

Modify the Comms Link part 2 - trickier
Instructions from Getting online with a 1987 Psion Organiser II
I created my Bluetooth-ed Comms Link back in February. When connecting the HC06 TXD/RXD pins to the Psion Comms Link, I remember the connections being a bit complicated.When I came back to the project a few weeks ago (in November) I thought to myself...

ESP8266 Wifi Smart Garage Door
Instructions from ESP8266 Wifi Smart Garage Door
Connect your ESP-01 to your TTL serial converter and flash your ESP-01 with NodeMCUFollow Marc's good instruction on how to load NodeMCU onto your ESP-01 at https://importhack.wordpress.com/2014/11/22/how-to-use-ep8266-esp-01-as-a-sensor-web-client/ESPlorer...

LPS Mini
Instructions from LPS Mini
Normally a tag reports measurements via UART. By adapting the firmware also I2C/SPI can be used, but that will decrease the update rate due to bus bandwidth limitations. In this example we are using the UART connected to a USB to TTL converter. 3.5-5V...

Raspberry Pi GPS Stratum 1 NTP server
Instructions from Raspberry Pi GPS Stratum 1 NTP server
On the hardware side, you're going to need (in addition to the Pi) a GPS receiver breakout board of some sort. Your breakout board should have a bidirectional serial interface and active-high PPS, with the leading edge synchronized. It should also be...

PolaPi v2.0
Instructions from PolaPi v2.0
Thermal Printer configuration/tweakif you bought the printer over Aliexpress, the seller will ask you which settings you want, then u dont need to do this step. If not read carefully!Standard baud rate the printer comes with is 19200 (you could leave...

Sub $200 PCB Mill that doesn't suck!
Instructions from Sub $200 PCB Mill that doesn't suck!
Wiring up the relay for the spindle:The relay needs 5V because it wants I/O TTL level for switching. You can use D9 which controls the RAMS 1.4 extruder fan usually BUT you need to wire the relay directly to the D9 pin. It is located on the top row on...

Post-hoc analysis
Instructions from PhotometryBox
Unzip analysis scripts from "Post-hoc analysis scripts Matlab 20190426.zip"Add scripts to Matlab pathOpen the script fibPhotDemo.mSet the frequency ranges for each channel by adjusting the variables params.freqRange1 and params.freqRange2 at the top...

LM555 Explained
Instructions from DIY Electronic Horn for a Bicycle or Car
The 555 is a highly stable device for generating accurate time delays or oscillation. Additional terminals are provided for triggering or resetting if desired. For stable operation as an oscillator, the free running frequency and duty cycle are accurately...

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