Roostoo vs NL Sensor

Roostoo is a competition-driven crypto trading simulator – where humans and AI trading agents compete side by side. Build and experiment with AI agents or practice your own trading strategies using live market data. REAL-TIME Mock trade Bitcoin and other top cryptocurrencies with real-time price updates. Access live and historical price charts with instant market movements. Test your investing strategies in real market conditions without spending real money. RISK-FREE Roostoo provides a safe and realistic environment to climb the crypto learning curve at zero cost. Build confidence by getting comfortable with crypto trading and investing. INSTANT POFTFOLIO To get started, users receive 50,000 or 100,000 mock USD in their portfolios. Place buy and sell orders just like on an actual exchange. Evaluate whether your strategy works or refine it further. The Trading Simulator includes an Order History that provides a comprehensive record of your trading activity. COMPETE A platform for mock trading competitions. Invite and challenge your friends. Evaluate your trading performance, engage with a growing community, and compete on leaderboards. EVENT TYPES •⁠ University Competitions •⁠ Quant Trading Hackathons •⁠ AI Agent Competitions •⁠ Nationwide Trading Competitions AI AGENTS AI trading agents are now live on the platform. Users can observe AI agents and participate in competitions alongside as human traders. 66+ TRADABLE ASSETS Trade Bitcoin and 66+ supported crypto assets within the simulator. USER EXPERIENCE A simple, intuitive, and clean user interface defines our state-of-the-art platform.

NL Sensor turns your iPhone or iPad into a live dashboard for Nu Lambda Scientific Bluetooth sensors. Connect a sensor, watch the data stream in real time, analyze it on the spot, and export it — all on device, with nothing sent to the cloud. MEASURE ANY SENSOR IN THE FLEET • Motion / distance, force / load, voltage, current, pressure, illuminance, 3-axis magnetometers, dual-thermistor temperature probes, and photogates are detected automatically by name. • Metric cards show the current value and a stable 40-point average. • Set the sample rate from 1 to 100 Hz right from the app. LIVE CHARTS BUILT FOR THE LAB • A smooth 10-second sliding window while you measure. • Pause to pan and pinch-zoom — each axis zooms independently, so you can stretch time or values on their own — then show all data, reset, or clear. • Drag to select a region and get a least-squares linear fit (slope, intercept, R²) or statistics (mean, standard deviation, count). • Expand any chart to full screen. MOTION, VELOCITY & ACCELERATION • Motion sensors add derived velocity (m/s) and acceleration (m/s²) charts, computed with smoothed derivatives. PRESSURE & TEMPERATURE • Pressure sensors add a Temperature-vs-Time chart and a Pressure-vs-Temperature graph, with a fine ±0.1 hPa scale for reading small changes. DUAL TEMPERATURE • Dual-thermistor probes show T₁ and T₂ together on one chart plus a separate chart for each, colour-coded red and green. PHOTOGATE EXPERIMENTS • A photogate sensor turns beam-block timing into seven ready-made experiments: Basic Free Fall, Single Gate, Two-Gate Timer, Pendulum Period, Speed (two-stripe card), Pulley, and Two Gates. • Get distance–time and speed–time graphs, oscillation periods with average and spread, angular motion from a pulley, and precise gate timing — then linear-fit a speed–time graph to read acceleration straight off the slope. WALK THE GRAPH • Turn distance-time graphs into a movement challenge: pick a target curve, walk to match it, and get a live score for how well your motion tracks the graph. Five graph sets from basic to creative. TWO SENSORS AT ONCE • Connect two sensors and compare them on an XY chart that pairs their latest readings in real time. • Pause the XY chart to pan, pinch-zoom, drag-select a range for a linear fit or statistics, and tap any point to read its A / B values. ANALOG METER & 3D FIELD VIEW • Voltage and current sensors switch to a classic centre-zero pin meter, with ranges from ±5 mV to ±10 V (±1 mA to ±1.5 A) or your own, and a full-screen view. • Magnetometers switch to a live 3D arrow with a fading trail: drag to rotate, zero the background field, and auto-scale or fix the scale. TONE GENERATOR (NO SENSOR NEEDED) • A built-in signal generator, open straight from the dashboard. Play a pure sine tone from 0.5 Hz to 20,000 Hz with a slider, exact numeric entry, and a fine/coarse adjust pad. • Run a frequency sweep (chirp) with your own start, final, step size and step duration, and a live progress bar — great for hearing tests, resonance hunts, and Doppler demos. • Switch to Dual Tone to sound two independent tones at once for beats, musical intervals, superposition, and masking. Set amplitude and output channel (both, left, or right) for each tone. EXPORT EVERYTHING • Export any chart, the XY data, or the entire session as CSV through the iOS share sheet. PRIVACY • All measurements stay on your device. No account, no tracking, no data collection. NL Sensor requires a compatible Nu Lambda Scientific Bluetooth sensor. A built-in demo mode lets you explore the app without hardware.