![]() ![]() The display module is supplied with 3.3V (between VCC and GND) which comes from the Arduino board.Īll Arduino UNO board output pins are 5V, connecting a 5V pin to the ST7789 TFT display may damage its controller. ![]() Arduino ST7789 TFT display circuitĪs mentioned above, the ST7789 TFT display controller works with 3.3V only (power supply and control lines). The back light turns off when the BLK pin connected to the ground (GND). The ST7789 display module shown in project circuit diagram has 7 pins: (from right to left): GND (ground), VCC, SCL (serial clock), SDA (serial data), RES (reset), DC (or D/C: data/command) and BLK (back light).Ĭonnecting the BLK pin is optional. Project circuit schematic diagram is shown below. Interfacing Arduino UNO with ST7789 TFT circuit: 4 x 2.2k ohm resistor (+1 if the display module has CS pin).4 x 3.3k ohm resistor (+1 if the display module has CS pin).This one has no CS (chip select) pin, its internally attached to GND: ST7789 TFT display without CS pin The following image shows a ST7789 display module provided by Adafruit Industries: Adafruit ST7789 TFT display moduleĪnother version of the ST7789 display module is shown below. This module works with 3.3V only and it doesn’t support 5V (not 5V tolerant). This display is an IPS display, it comes in different sizes (1.3″, 1.54″ …) but all of them should have the same resolution of 240×240 pixel, this means it has 57600 pixels. ![]() ![]() It’s a color display that uses SPI interface protocol and requires 3, 4 or 5 control pins, it’s low cost and easy to use. The ST7789 TFT module contains a display controller with the same name: ST7789. This Arduino tutorial shows how to interface the UNO board with ST7789 TFT display. ![]()
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![]() What is the latest version of Google Drive?
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Submitted by: Cpt.Teabag_ur_Meme Log Collection Unlocks You can repeat this trick as often as you like. Now return to the location where you found the artifact and in its place you should find resources such as the semiconductors, tungsten, scrap metal, transoucer and health packs. Once you have passed the door, let it shut and reopen. When picking up an artifact, advance to the next location to go past a doorway. ![]() If you did it properly, both players should now have the desired items in their inventory. The trick only works if you follow that precise order, and quickly. After the trade is completed, exit out to the main menu and then immediately have the friend who received your loot save and quit from the pause menu. Start by giving your friend the items you wish to duplicate. You'll need to be playing with a friend, preferably one who is equipped with a headset so that you can communicate as needed. You can perform this cheat anywhere in the game, but it works best if you put it to use near a checkpoint and bench. Submitted by: MethodNMadness Item Duplication (Cooperative Mode) ![]() ![]() ![]() One of the main advantages of having the capability to process more streambed material is that an area can be more-effectively sampled. It is especially true in remote locations and/or within developing countries where modern technology is generally not available to village-miners.īecause a modern (experienced) dredger is able to process substantially more volume of streambed material with better gold recovery, the gravel deposits of today do not need to be as rich in gold as was necessary during the past. This is true in the deeper rivers (3-meters or more of water depth) all over the world. Suction dredge technology allows modern-day gold and gemstone miners to prospect and mine for mineral deposits in places where earlier miners were not able to go. ![]() During those early days, the deposits had to be easy to find and recover because recovery methods and processing capabilities were very limited. The early miners who came to California (and elsewhere) during the 1849 gold rush (and later) did find and recover many of the easy-to-find gold nuggets and rich deposits. As demonstrated in the following video segment, air for breathing underwater is generated by an air compressor, passes down through an air line, and provides air to a diver through a regulator, similar to what is used by SCUBA divers: These attach to the same engine that powers the water pump. Most intermediate and larger-sized gold dredges come with built-in hookah-air systems. ![]() Pieces of gold, which are very heavy, are separated from the other streambed materials and trapped, as the gravel and other material wash through the recovery system and are then washed back into the stream to fill in the hole as the dredge moves forward in the waterway. It sucks up streambed material (rocks, sand, gravel, silt, gold and other minerals), passes it up through a suction hose, and runs it across a recovery system floating at the surface. A suction dredge is a powerful underwater-type of vacuum cleaner. Most gold mining today is done in small operations - one or two persons working at a time - often with the use of suction dredges. ![]() |
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